If you see:

fuse: failed to exec fusermount: No such file or directory
Cannot mount AppImage, please check your FUSE setup.

Install FUSE or run with:

./osc-cli-x86_64.AppImage --appimage-extract-and-run osc-cli api ReadImages --profile=my

• Permission denied: ensure the AppImage is executable (chmod a+x ...).
• Unknown profile: verify ~/.osc/config.json and the --profile name.
• Authentication errors: re-check access_key/secret_key and region.